json.result   true
json.message  "获取精华页成功"
json.data     do
  json.name                 @active.name
  json.shop_categories      @active.shop_categories do |shop_category|
    json.id                     shop_category.id
    json.name                   shop_category.name
    json.avatar                 shop_category.avatar.url
    json.parent_id              shop_category.parent_id
  end
end